diff --git a/cms/envs/bok_choy_docker.env.json b/cms/envs/bok_choy_docker.env.json
index 905ca64104..77cd2e4318 100644
--- a/cms/envs/bok_choy_docker.env.json
+++ b/cms/envs/bok_choy_docker.env.json
@@ -56,7 +56,7 @@
         }
     },
     "COMMENTS_SERVICE_KEY": "password",
-    "COMMENTS_SERVICE_URL": "http://localhost:4567",
+    "COMMENTS_SERVICE_URL": "http://edx.devstack.forum:4567",
     "CONTACT_EMAIL": "info@example.com",
     "DEFAULT_FEEDBACK_EMAIL": "feedback@example.com",
     "DEFAULT_FROM_EMAIL": "registration@example.com",
diff --git a/lms/envs/bok_choy_docker.env.json b/lms/envs/bok_choy_docker.env.json
index 7858095afa..137ebfa4aa 100644
--- a/lms/envs/bok_choy_docker.env.json
+++ b/lms/envs/bok_choy_docker.env.json
@@ -56,7 +56,7 @@
         }
     },
     "COMMENTS_SERVICE_KEY": "password",
-    "COMMENTS_SERVICE_URL": "http://localhost:4567",
+    "COMMENTS_SERVICE_URL": "http://edx.devstack.forum:4567",
     "CONTACT_EMAIL": "info@example.com",
     "DEFAULT_FEEDBACK_EMAIL": "feedback@example.com",
     "DEFAULT_FROM_EMAIL": "registration@example.com",
diff --git a/lms/envs/devstack_docker.py b/lms/envs/devstack_docker.py
index c8db837fcd..60737aba0d 100644
--- a/lms/envs/devstack_docker.py
+++ b/lms/envs/devstack_docker.py
@@ -17,6 +17,8 @@ LMS_ROOT_URL = 'http://{}'.format(LMS_BASE)
 ECOMMERCE_PUBLIC_URL_ROOT = 'http://localhost:18130'
 ECOMMERCE_API_URL = 'http://edx.devstack.ecommerce:18130/api/v2'
 
+COMMENTS_SERVICE_URL = 'http://edx.devstack.forum:4567'
+
 ENTERPRISE_API_URL = '{}/enterprise/api/v1/'.format(LMS_ROOT_URL)
 ENABLE_ENTERPRISE_INTEGRATION = False